Launched in 2021 on the world’s first planetary defense exercise, the Dart spacecraft deliberately plowed into Dimorphos, ...

NASA has revealed the results of a fresh probe into a “city killer” asteroid that scientists predicted would crash into the ...

When people on Earth watch a lunar eclipse, they see the Moon slowly move into Earth’s shadow and turn reddish for a short time. It is a familiar sigh.

Astronomers say Asteroid 2024 YR4 will dodge the moon entirely in 2032, ending speculation about a possible collision with Earth's nearest solar system neighbor. But the missed st ...

In our latest episode of Lexicon, we sit down with Dr. Lulu Zhao, an ...

Sky This Week is brought to you in part by Celestron. Friday, March 6With no Moon in the early-evening sky, let's chase down ...

Saturn conjunction and an uptick in northern lights make March 2026 a standout month for skywatchers across North America.

NASA has shared a time-lapse video of a total lunar eclipse captured over the facility where its moon rockets are built, marking a rare celestial event that won't return to the Americas until 2029.

With the Earth moving between the moon and the sun, its giant shadow changing the moon's reflected glow from ivory to a reddish color.

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

A total lunar eclipse took place early Tuesday morning, and was visible across much of North America, weather permitting.

What is the most important step that humanity must take to avoid extinction? According to the late physicist Stephen Hawking, the answer lies far beyo.